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GB/T 41134.1-2021Fuel cell power systems for industrial electric trucks - Part 1: Safety (English PDF)

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41134.1-2021 (Fuel cell power systems for industrial electric trucks - Part 1: Safety) is available as an English-translated PDF.

GB/T 41134.1-2021 — This document specifies the safety requirements for the fuel cell power systems for industrial electric trucks.

Document preview — GB/T 41134.1-2021

National Standard of the People's Republic of China

Issued by: SAMR; SAC

Foreword...4
Introduction...7
1 Scope...8
2 Normative References...9
3 Terms and Definitions...13
4 Structural Safety Requirements...17
4.1 General Rules...17
4.2 Components Bearing Hydrogen and Other Fluids...18
4.3 Overpressure and Thermal Protection...21
4.4 Regulating Valve...21
4.5 Shut-off Valves and Operating Procedures...21
4.6 Filters...22
4.7 Pumps and Compressors...22
4.8 Electrically Controlled Pressure Sensors and Control Equipment...22
4.9 Ventilation Measures...22
4.10 Electrostatic Discharge (ESD)...23
4.11 Discharge of Methanol and Wastes...23
4.12 System Enclosure (self-contained system)...23
4.13 Electrical Components of Fuel Cell Power System...24
4.14 Control Circuits...30
4.15 Safety / Hazard Analysis...31
4.16 Insulation Resistance...31
4.17 Requirements for Vibration Resistance...31
5 Safety Performance Requirements and Type Test...31
5.1 General Rules...31
5.2 Vibration Test...32
5.3 Fuel Container Stability Test...32
5.4 Fatigue Test...33
5.5 External Leakage Test...33
5.6 Ultimate Strength Test...34
5.7 Potential Failure Mode Test...35
5.8 Temperature Test...36
5.9 Connection Test...38
5.10 Touch Current Test...38
5.11 Insulation and Voltage Resistance Test...40
5.12 Electrostatic Accumulation Test of Non-metallic Pipeline...40
5.13 Power Limiting Circuit Test...41
5.14 Maximum Power Test...42
5.15 Abnormal Operation Test (failure of electrical equipment)...43
5.16 Wastewater Discharge Test (for methanol fuel cells only)...44
5.17 Rain Drop Test...44
5.18 System Enclosure Test (self-contained system)...44
5.19 Needle Flame Test for Thermoplastic Materials...45
5.20 Tests of Elastomeric Seals, Gaskets and Piping...45
5.21 Permeation Test of Non-metallic Pipes and Piping...46
5.22 Electrical Output Lead Test...46
6 Routine Tests...47
6.1 Insulation and Voltage Resistance Test...47
6.2 External Leakage Test...47
7 Marking...47
7.1 General Rules...47
7.2 Marking of Power Generation System...47
7.3 Marking of Components...48
8 Instructions for Use...48
8.1 Overview...48
8.2 Maintenance Manual...49
8.3 Operating Procedures...49
8.4 Installation Instructions...50

Foreword

This document was drafted in accordance with the rules in GB/T 1.1-2020 Directives for

Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents.

This document is Part 1 of GB/T 41134 Fuel Cell Power Systems for Industrial Electric Trucks.

GB/T 41134 has issued the following parts.

---Part 1.Safety;

---Part 2.Performance Test Methods.

This document adopts the redrafting method in the modification and adoption of IEC 62282-4-

101.2014 Fuel Cell Technologies - Part 4-101.Fuel Cell Power Systems for Propulsion other

than Road Vehicles and Auxiliary Power Unit (APU) - Safety of Electrically Powered Industrial

Trucks.

In comparison with IEC 62282-4-101.2014, this document makes the following structural

adjustments.

---4.16 and 4.17 are added;

---Test conditions of 5.1 c) are added;

---5.11.1 and 5.11.2 are added;

---7.1, 7.2 and 7.3 are added;

---4.3.3 ~ 4.3.8, 4.9.1 ~ 4.9.10, 4.10.1 ~ 4.10.8, 4.13.10, 5.17.1 ~ 5.17.3 are deleted; 4.13.11

is adjusted to 4.13.10; 4.13.12 is adjusted to 4.13.11; 4.13.13 is adjusted to 4.13.12;

---5.20 is deleted; 5.21 in IEC 62282-4-101.2014 is adjusted to 5.20; 5.22 is adjusted to

5.21; 5.23 is adjusted to 5.22;

---Figure 2, Figure 3, Figure 4 and Table 1 are deleted; Figure 5 in IEC 62282-4-101.2014

is adjusted to Figure 2; Figure 6 is adjusted to Figure 3; Table 2 is adjusted to Table 1;

Table 3 is adjusted to Table 2; Table 4 is adjusted to Table 3;

---Appendix A in IEC 62282-4-101.2014 is adjusted to Appendix B.

In comparison with IEC 62282-4-101.2014, this document has technical differences. The

clauses, to which, these differences relate, have been indicated by vertical single lines () in the

outer margins.

In comparison with IEC 62282-4-101.2014, the technical differences and the reasons for these

differences are as follows.

---Some international standards in Normative References are added, deleted and replaced;

Appendix A lists the differences between this document and IEC 62282-4-101.2014 in

Normative References;

---The terms and definitions of check-valve, maximum allowable working pressure,

maximum operating pressure and zone system of classification are modified (see 3.3,

3.14, 3.16 and 3.26);

---For ease of use, the requirements for hydrogen pressure container, metal hydride

container, overpressure protection, regulating valve, ventilation measures, electrostatic

discharge, electrical components of fuel cell power system, internal wiring, external

wiring, lamps and lamp sockets are modified, so as to maintain consistency with the

requirements of the existing national standards (see 4.2.3.2, 4.2.4, 4.3.2, 4.5.2, 4.9, 4.10,

4.13.1.3, 4.13.2, 4.13.3, 4.13.8);

---The requirements for insulation resistance and vibration resistance are added (see 4.16

and 4.17);

---The safety performance requirements and general test conditions for type test are added

[see 5.1 c)];

---For ease of use, the test contents of fuel container stability test, insulation and voltage

resistance test, rain drop test, enclosure bearing capacity test and thermoplastic material

needle flame test are modified, so as to maintain consistency with the existing national

standards (see 5.3, 5.11, 5.17, 5.18.1, 5.19 and 6.1);

---For ease of use, the marking is modified, so as to maintain consistency with the existing

national standards (see Chapter 7);

---For ease of use, some requirements and test methods for overpressure and thermal

protection, ventilation measures of preventing the accumulation of flammable gases

and vapors, electrostatic discharge, electrical insulation, environmental testing and

adhesion test of marking plates are deleted (see 4.3.2 ~ 4.3.8, 4.9.1 ~ 4.9.10, 4.10.1 ~

4.10.8, 4.13.10, 5.17.1 ~ 5.17.3, 5.20 of IEC 62282-4-101.2014).

This document makes the following editorial modifications.

---In order to coordinate with the existing standards, the title of the Standard is modified

into Fuel Cell Power Systems for Industrial Electric Trucks - Part 1.Safety.

---Appendix A (informative) "Differences of Normative References between this

Document and IEC 62282-4-101.2014" is added.

The Chinese documents that have a consistent correspondence with the international documents

normatively quoted in this document are as follows.

---GB/T 5169 (all parts) Fire Hazard Testing for Electric and Electronic Products [IEC

60695 (all parts)]

---GB/T 14536.1-2008 Automatic Electrical Controls for Household and Similar Use - Part

1 General Requirements (IEC 60730-1.2003, IDT) (TRANSLATOR NOTE. it should

be GB 14536.1-2008)

---GB/T 18615-2002 Non-alloyed and Stainless Steel Fittings for Corrugated Flexible

Metallic Hoses (eqv ISO 10806.1994)

---GB/T 29729-2013 Essential Requirements for the Safety of Hydrogen Systems (ISO/TR

15916.2004, NEQ)

Please be noted that certain content of this document may involve patents. The institution

issuing this document does not undertake the responsibility of identifying these patents.

This document was proposed by China Electrical Equipment Industry Association.

This document shall be under the jurisdiction of National Technical Committee 342 on Fuel

Cell and Flow Battery of Standardization Administration of China (SAC/TC 342).

The drafting organizations of this document. Sunrise Power Co., Ltd.; Wuhan University of

Technology; Machinery Industry Beijing Electrotechnical Institute of Economic Research;

Beijing SEARI Sairui Technology Co., Ltd.; Tongji University; Dalian Institute of Chemical

Physics, Chinese Academy of Sciences; China Quality Certification Center; China Automotive

Technology and Research Center Co., Ltd.; Nanjing University; Weichai Power Co., Ltd.;

Shanghai Institute of Quality Inspection and Technical Research; Shanghai Shenli Technology

Co., Ltd.; Guangdong SINOSYNERGY Technology Co., Ltd.; INNOREAGEN Technology

Co., Ltd.; Shanghai Hydrogen Propulsion Technology Co., Ltd.; Tianneng Group Co., Ltd.;

Guangdong Hydrogen Energy Technology Co., Ltd.; Beijing Changzheng Tianmin High-tech

Co., Ltd.; Beijing Sinohytec Co., Ltd.; Beijing Nowogen Technology Co., Ltd.

1 Scope

This document specifies the safety requirements for the fuel cell power systems for industrial

electric trucks.

2 Normative References

The contents of the following documents constitute indispensable clauses of this document

through normative references in the text. In terms of references with a specified date, only

versions with a specified date are applicable to this document. In terms of references without a

specified date, the latest version (including all the modifications) is applicable to this document.

3 Terms and Definitions

The following terms and definitions are applicable to this document.

Check-valve refers to a valve, with the opening and closing parts (valve clack) automatically

prevent the reverse flow of the medium by means of the force of the medium.

Self-contained system refers to a system fully integrated into an enclosure to replace or combine

battery systems to power industrial electric trucks.

4 Structural Safety Requirements

The filling pipeline shall be installed with a spare check-valve outside the check-valve

of the container specified in GB/T 30718-2014.

The gas pressure regulating valve shall be equipped with an exhaust restrictor or exhaust piping.

Air and fluid filters shall be suitable for application in the environment. If they need to be

inspected, cleaned or replaced, then, the filters shall be installed in an easy-to-operate position.

5 Safety Performance Requirements and Type Test

The acceleration data of the vertical axial test shall be jointly determined with the manufacturer

of the industrial electric trucks.

The pipeline specimen of the three grounding point electrodes (i.e., metal fittings) shall be

placed under the condition of relative humidity (25  10)% for at least 48 h.

6 Routine Tests

The requirements for the external leakage test are as follows.

7 Marking

Each fuel cell power system shall be equipped with a combination of data nameplate and label,

so as to ensure easy readability and facilitate the correct installation of application of the system.

The marking shall clearly state the usage restrictions, especially that the fuel cell power system

shall be used in an area with adequate ventilation conditions.

The parts that users need to touch shall be marked, so as to facilitate the checking with the

instructions.

8 Instructions for Use

The general requirements for the instructions for use are as follows.

In accordance with the situation, the maintenance manual shall include the following contents.

In accordance with the situation, the operating procedures shall include the following contents.

Appendix A

(Informative)

Differences in Normative References between this Document and IEC

62282-4-101.2014

......

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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